Quantum Resistant Ledger (QRL)
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The Quantum Resistant Ledger (QRL) describes itself as a 'fully quantum
resistant blockchain network, using PQ-CRYPTO recommended/IETF
standardized cryptography'. The QRL utilizes a hash-based eXtended
Merkle Tree Signature Scheme (XMSS) instead of ECDSA, which is
reportedly vulnerable to quantum attacks and found in many other
blockchain projects. The project claims that the security of its
platform is complemented by a suite of applications and a development
ecosystem which allows users to 'easily build blockchain applications on
its provably quantum resistant network'.
Foundational Security
Not just against today's computers, but tomorrow's quantum-computers as well.QRL is the first industrial implementation to utilize IETF specified XMSS; a hash-based, forward secure signature scheme with minimal security assumptions and reusable addresses.
An extensible address format ensures we are ready for anything out of NIST.
Implementation has been verified with two audits, one by red4sec and another by x41 D-sec.
Developer
Friendly
Extensive documentation and an API reference gives the tools to build anything, today, on an industrial grade platform that will survive tomorrow.Some features already available:
- Ledger-wide post-quantum security
- Reusable addresses
- On-chain message support (80 bytes)
- PQ-notarisation support
- Keybase ID integration
- Full-featured API
- Easy to secure smart-contracts
- Ephemeral messaging ultilising Dilithium and Kyber
- Multisignature wallet capability
User
Oriented
A consistent UI throughout the whole product space gives a
uniform experience accompanied by a full suite of products with binaries
that have 99.9% coverage means anyone has access to:- Desktop (Windows, Mac, Linux)
- Mobile (iOS, Android)
- Web (wallet, explorer)
- Hardware wallet support with Ledger Nano S
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